163673516008 has 8 divisors (see below), whose sum is σ = 306887842530. Its totient is φ = 81836758000.

The previous prime is 163673515997. The next prime is 163673516081. The reversal of 163673516008 is 800615376361.

It can be written as a sum of positive squares in only one way, i.e., 105272993764 + 58400522244 = 324458^2 + 241662^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10229594743 + ... + 10229594758.

Almost surely, 2^163673516008 is an apocalyptic number.

It is an amenable number.

163673516008 is a deficient number, since it is larger than the sum of its proper divisors (143214326522).

163673516008 is a wasteful number, since it uses less digits than its factorization.

163673516008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20459189507 (or 20459189503 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 163673516008 in words is "one hundred sixty-three billion, six hundred seventy-three million, five hundred sixteen thousand, eight".